Fix bug where rose-stem cannot ascertain name of a suite when cwd is not a working copy
Replace regular expression with proper Python function
rosie.ws_client_auth: create ~/.metomi/rose.conf

Save user name in `~/.metomi/rose.conf` even if it does not already
exist.
Merge pull request #1484 from matthewrmshin/rosie-ws-client-username-save

rosie.ws_client_auth: create ~/.metomi/rose.conf
Merge pull request #1481 from scwhitehouse/stem_config_dir_fix

Fix bug where rose-stem cannot ascertain name of a suite when cwd is not a working copy
Update for release
Update CHANGES.md
Update CHANGES.md